Home / 30,036.80-41,447.12-16,606.20

Finding the Fourth Proportional to 30,036.80, 41,447.12 and 16,606.20

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Solution

The fourth proportional to 30,036.80, 41,447.12 and 16,606.20 is: 22,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036.80 : 41,447.12 = 16,606.20 : x
  2. Step 2: Convert to fraction form
    30,036.80/41,447.12 = 16,606.20/x
  3. Step 3: Cross multiply
    30,036.80x = 41,447.12 × 16,606.20
  4. Step 4: Simplify right side
    30,036.80x = 688,279,164.14
  5. Step 5: Solve for x
    x = 688,279,164.14/30,036.80
  6. Step 6: Final answer
    x = 22,914.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.